Home / 28,870.13-43,306.83-8,095.25

Finding the Fourth Proportional to 28,870.13, 43,306.83 and 8,095.25

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Solution

The fourth proportional to 28,870.13, 43,306.83 and 8,095.25 is: 12,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.13 : 43,306.83 = 8,095.25 : x
  2. Step 2: Convert to fraction form
    28,870.13/43,306.83 = 8,095.25/x
  3. Step 3: Cross multiply
    28,870.13x = 43,306.83 × 8,095.25
  4. Step 4: Simplify right side
    28,870.13x = 350,579,399.02
  5. Step 5: Solve for x
    x = 350,579,399.02/28,870.13
  6. Step 6: Final answer
    x = 12,143.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.